80193528 has 144 divisors (see below), whose sum is σ = 240107400. Its totient is φ = 24105600.

The previous prime is 80193523. The next prime is 80193551. The reversal of 80193528 is 82539108.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80193492 and 80193501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80193523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1314618 + ... + 1314678.

Almost surely, 2^80193528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80193528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120053700).

80193528 is an abundant number, since it is smaller than the sum of its proper divisors (159913872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80193528 is a wasteful number, since it uses less digits than its factorization.

80193528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 80193528 is about 8955.0839192048. The cubic root of 80193528 is about 431.2341110718.

The spelling of 80193528 in words is "eighty million, one hundred ninety-three thousand, five hundred twenty-eight".